* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333333;
    background-color: #fff;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
.header {
    background: #fff;
    border-bottom: 1px solid #e8eaed;
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-left {
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo {
    height: 32px;
}

.labs-text {
    font-size: 22px;
    font-weight: 400;
    color: #5f6368;
}

.nav-btn {
    background: #0084FF;
    color: white;
    border: none;
    padding: 8px 24px;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s;
}

.nav-btn:hover {
    background: #0073E6;
}

/* Hero Section */
.hero{
    position:relative;
    background:linear-gradient(135deg, #0084FF 0%, #0073E6 25%, #39A5FF 50%, #0084FF 75%, #0062C4 100%);
    background-size:400% 400%;
    animation:gradientShift 15s ease infinite;
    color:white;
    padding:60px 0;
    text-align:center;
    overflow:hidden;
    min-height:40vh;
    display:flex;
    align-items:center;
    justify-content:center;
    position:relative
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><rect fill="rgba(255,255,255,0.05)" width="50" height="50" x="0" y="0" /><rect fill="rgba(255,255,255,0.05)" width="50" height="50" x="50" y="50" /></svg>');
    background-size: 30px 30px;
    opacity: 0.3;
    z-index: 1;
    animation: patternMove 20s linear infinite;
}

@keyframes patternMove {
    0% { background-position: 0 0; }
    100% { background-position: 100px 100px; }
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(1px);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    margin: 0 auto;
    padding: 0 24px;
    animation: fadeInUp 1s ease-out forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-title {
    font-size: 56px;
    font-weight: 700;
    margin-bottom: 24px;
    background: linear-gradient(45deg, #fff, #f0f0f0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: titleGlow 3s ease-in-out infinite alternate;
    letter-spacing: -0.5px;
    position: relative;
    display: inline-block;
    text-shadow: 0 0 30px rgba(255, 255, 255, 0.3);
    transform-style: preserve-3d;
    perspective: 1000px;
}

.hero-title[data-text]::before {
    content: attr(data-text);
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(255,255,255,0.8), rgba(255,255,255,0.3));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    z-index: -1;
    filter: blur(8px);
    opacity: 0.7;
    transform: translateZ(-10px);
}

.hero-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, rgba(255,255,255,0.2), rgba(255,255,255,0.8), rgba(255,255,255,0.2));
    background-size: 200% 100%;
    border-radius: 2px;
    animation: shimmer 2s infinite linear;
}

@keyframes shimmer {
    0% { background-position: -100px 0; }
    100% { background-position: 100px 0; }
}

.card-glare {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    opacity: 1;
    transition: opacity 0.3s ease;
    pointer-events: none;
    border-radius: 20px;
}

.visible {
    animation: fadeInUp 0.8s forwards;
}

body {
    opacity: 0;
    transition: opacity 0.5s ease;
}

body.loaded {
    opacity: 1;
}

.hero-subtitle {
    font-size: 22px;
    font-weight: 300;
    opacity: 0.95;
    margin-bottom: 60px;
    line-height: 2.0;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-btn {
    padding: 14px 32px;
    border: none;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    position: relative;
    overflow: hidden;
    z-index: 2;
}

.hero-btn.primary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.hero-btn.primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.7s;
    z-index: -1;
}

.hero-btn.primary:hover::before {
    left: 100%;
}

.hero-btn.primary:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.hero-btn.secondary {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.5);
}

.hero-btn.secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.hero-animation {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 1;
    overflow: hidden;
}

.hero-animation::before {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255,255,255,0.4) 0%, transparent 70%);
    border-radius: 50%;
    top: -200px;
    right: -150px;
    animation: pulse-glow 8s ease-in-out infinite alternate;
    filter: blur(30px);
    z-index: 0;
}

.hero-animation::after {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255,255,255,0.2) 0%, transparent 70%);
    border-radius: 50%;
    bottom: -100px;
    left: -100px;
    animation: pulse-glow 8s ease-in-out infinite alternate-reverse;
    filter: blur(20px);
    z-index: 0;
}

@keyframes pulse-glow {
    0% { transform: scale(1); opacity: 0.3; }
    50% { transform: scale(1.5); opacity: 0.5; }
    100% { transform: scale(1); opacity: 0.3; }
}

.floating-elements {
    position: relative;
    width: 100%;
    height: 100%;
}

.element {
    position: absolute;
    font-size: 24px;
    opacity: 0.6;
    animation: float 6s ease-in-out infinite;
}

.element-1 {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.element-2 {
    top: 30%;
    right: 15%;
    animation-delay: 1s;
}

.element-3 {
    bottom: 30%;
    left: 20%;
    animation-delay: 2s;
}

.element-4 {
    bottom: 20%;
    right: 10%;
    animation-delay: 3s;
}

.element-5 {
    top: 50%;
    left: 50%;
    animation-delay: 4s;
}

@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

@keyframes titleGlow {
    0% {
        text-shadow: 0 0 20px rgba(255, 255, 255, 0.5);
    }

    100% {
        text-shadow: 0 0 30px rgba(255, 255, 255, 0.8);
    }
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0px) rotate(0deg);
    }

    25% {
        transform: translateY(-20px) rotate(5deg);
    }

    50% {
        transform: translateY(-10px) rotate(-5deg);
    }

    75% {
        transform: translateY(-15px) rotate(3deg);
    }
}

/* Wave effect removed as requested */

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    overflow: hidden;
}

.particle {
    position: absolute;
    background-color: rgba(255, 255, 255, 0.6);
    border-radius: 50%;
    pointer-events: none;
    transition: transform 0.3s ease;
    animation: float-particle 6s infinite ease-in-out;
}

@keyframes float-particle {
    0%, 100% {
        transform: translate(0, 0);
    }
    25% {
        transform: translate(10px, 10px);
    }
    50% {
        transform: translate(-5px, 15px);
    }
    75% {
        transform: translate(-10px, -5px);
    }
}

/* Featured Section */
.featured {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e8f0fe 100%);
}

.section-header h2 {
    font-size: 16px;
    font-weight: 600;
    color: #0084FF;
    letter-spacing: 1px;
    margin-bottom: 40px;
    text-transform: uppercase;
    position: relative;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #0084FF, #39A5FF);
    border-radius: 2px;
}

.featured-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    position: relative;
    overflow: hidden;
}

.featured-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #0084FF, #39A5FF, #0073E6, #0062C4);
}

.featured-badge {
    display: inline-block;
    background: linear-gradient(45deg, #ff6b6b, #ff8e8e);
    color: white;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 16px;
    animation: pulse 2s infinite;
}

.featured-content h3 {
    font-size: 36px;
    font-weight: 500;
    margin-bottom: 20px;
    color: #202124;
    background: linear-gradient(45deg, #0084FF, #39A5FF);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.featured-content p {
    font-size: 18px;
    line-height: 1.7;
    margin-bottom: 24px;
    color: #5f6368;
}

.feature-tags {
    display: flex;
    gap: 8px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.tag {
    background: rgba(0, 132, 255, 0.1);
    color: #0084FF;
    padding: 6px 12px;
    border-radius: 16px;
    font-size: 12px;
    font-weight: 500;
    border: 1px solid rgba(0, 132, 255, 0.2);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.tag:hover {
    background: rgba(0, 132, 255, 0.15);
    transform: translateY(-2px);
    box-shadow: 0 3px 8px rgba(0, 132, 255, 0.15);
}

.tag::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 132, 255, 0.2) 0%, transparent 70%);
    opacity: 0;
    transform: scale(0.5);
    transition: all 0.5s ease;
}

.tag:hover::after {
    opacity: 1;
    transform: scale(1);
}

.cta-btn {
    background: linear-gradient(45deg, #0084FF, #0073E6);
    color: white;
    border: none;
    padding: 16px 40px;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 132, 255, 0.3);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.cta-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.cta-btn:hover::before {
    left: 100%;
}

.cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(26, 115, 232, 0.4);
}

.featured-video {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.video-container {
    position: relative;
    background: linear-gradient(135deg, #0084FF 0%, #0062C4 100%);
    height: 350px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
    overflow: hidden;
}

.video-container:hover {
    transform: scale(1.02);
}

.video-placeholder {
    text-align: center;
    color: white;
    z-index: 2;
    position: relative;
}

.play-button {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    margin: 0 auto 16px;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
}

.video-container:hover .play-button {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.1);
    z-index: 1;
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }
}

/* Recommended Tools */
.recommended {
    padding: 100px 0;
    background: white;
}

.section-title-wrapper {
    text-align: center;
    margin-bottom: 60px;
}

.recommended h2 {
    font-size: 40px;
    font-weight: 500;
    margin-bottom: 16px;
    background: linear-gradient(45deg, #0084FF, #39A5FF);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 20px;
    color: #5f6368;
    margin-bottom: 48px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    max-width: 1400px;
    margin: 0 auto;
}

.tool-card {
    background: white;
    border: 1px solid #e8eaed;
    border-radius: 20px;
    padding: 32px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    height: 100%;
    display: flex;
    flex-direction: column;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.tool-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 132, 255, 0.05), rgba(57, 165, 255, 0.05));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.tool-card::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.2) 0%, transparent 70%);
    opacity: 0;
    transform: scale(0.5);
    transition: transform 0.5s ease, opacity 0.5s ease;
    pointer-events: none;
}

.tool-card:hover::before {
    opacity: 1;
}

.tool-card:hover::after {
    opacity: 1;
    transform: scale(1);
}

.tool-card:hover {
    box-shadow: 0 20px 40px rgba(0, 132, 255, 0.15);
    transform: translateY(-8px) scale(1.02);
    border-color: rgba(0, 132, 255, 0.3);
}

.tool-icon {
    font-size: 48px;
    margin-bottom: 20px;
    position: relative;
    z-index: 2;
    display: inline-block;
    padding: 16px;
    background: rgba(0, 132, 255, 0.1);
    border-radius: 16px;
    width: fit-content;
    box-shadow: 0 10px 20px rgba(0, 132, 255, 0.1);
    animation: float-icon 6s ease-in-out infinite;
}

@keyframes float-icon {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.tool-card h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 16px;
    color: #202124;
    position: relative;
    z-index: 2;
}

.tool-card p {
    color: #5f6368;
    margin-bottom: 24px;
    line-height: 1.6;
    flex-grow: 1;
    position: relative;
    z-index: 2;
}

.tool-btn {
    background: linear-gradient(45deg, #0084FF, #0073E6);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    z-index: 2;
    align-self: flex-start;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 132, 255, 0.2);
}

.tool-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.tool-btn:hover::before {
    left: 100%;
}

.tool-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(26, 115, 232, 0.3);
}

.tool-status {
    position: absolute;
    top: 16px;
    right: 16px;
    background: linear-gradient(45deg, #ff6b6b, #ff8e8e);
    color: white;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 500;
    z-index: 3;
}

.tool-status:nth-of-type(2) {
    background: linear-gradient(45deg, #4ecdc4, #44a08d);
}

.tool-status:nth-of-type(3) {
    background: linear-gradient(45deg, #ffd93d, #ff9800);
}

.tool-status:nth-of-type(4) {
    background: linear-gradient(45deg, #a8edea, #fed6e3);
    color: #333;
}

.tool-features {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.feature {
    background: rgba(0, 132, 255, 0.1);
    color: #0084FF;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 500;
    border: 1px solid rgba(0, 132, 255, 0.2);
    transition: all 0.3s ease;
}

.feature:hover {
    background: rgba(0, 132, 255, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 3px 8px rgba(0, 132, 255, 0.15);
}

/* Fun Experiments */
.fun-experiments {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e3f2fd 100%);
}

.fun-experiments .section-title-wrapper {
    text-align: center;
    margin-bottom: 60px;
}

.fun-experiments h2 {
    font-size: 40px;
    font-weight: 500;
    margin-bottom: 16px;
    background: linear-gradient(45deg, #0084FF, #39A5FF);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    display: inline-block;
}

.fun-experiments h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #0084FF, #39A5FF);
    border-radius: 2px;
}

.filter-tabs {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 32px;
    flex-wrap: wrap;
}

.filter-tab {
    background: white;
    border: 2px solid #e8eaed;
    color: #5f6368;
    padding: 8px 20px;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-tab:hover {
    border-color: #0084FF;
    color: #0084FF;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 132, 255, 0.1);
}

.filter-tab.active {
    background: linear-gradient(45deg, #0084FF, #39A5FF);
    border-color: transparent;
    color: white;
    box-shadow: 0 4px 15px rgba(0, 132, 255, 0.3);
    position: relative;
    overflow: hidden;
}

.filter-tab.active::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.3) 0%, transparent 70%);
    animation: pulse-light 2s infinite;
}

@keyframes pulse-light {
    0% { transform: scale(0.8); opacity: 0; }
    50% { opacity: 0.5; }
    100% { transform: scale(1.2); opacity: 0; }
}

.experiments-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.experiment-card {
    background: white;
    border-radius: 16px;
    padding: 24px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(0, 132, 255, 0.1);
}

.experiment-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 132, 255, 0.03), rgba(57, 165, 255, 0.03));
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 1;
    pointer-events: none;
}

.experiment-card::after {
    content: '';
    position: absolute;
    top: -100%;
    left: -100%;
    width: 300%;
    height: 300%;
    background: radial-gradient(circle, rgba(57, 165, 255, 0.1) 0%, transparent 60%);
    opacity: 0;
    transform: scale(0.5);
    transition: transform 0.5s ease, opacity 0.5s ease;
    pointer-events: none;
    z-index: 0;
}

.experiment-card:hover {
    box-shadow: 0 15px 30px rgba(0, 132, 255, 0.15);
    transform: translateY(-5px) scale(1.02);
    border-color: rgba(0, 132, 255, 0.3);
}

.experiment-card:hover::before {
    opacity: 1;
}

.experiment-card:hover::after {
    opacity: 1;
    transform: scale(1);
}

.experiment-icon {
    font-size: 28px;
    margin-bottom: 16px;
    display: inline-block;
    padding: 12px;
    background: rgba(0, 132, 255, 0.1);
    border-radius: 50%;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 16px rgba(0, 132, 255, 0.1);
    transition: all 0.3s ease;
}

.experiment-card:hover .experiment-icon {
    transform: scale(1.1) rotate(5deg);
    background: rgba(0, 132, 255, 0.15);
    box-shadow: 0 10px 20px rgba(0, 132, 255, 0.2);
}

.experiment-card h3 {
    font-size: 18px;
    font-weight: 500;
    margin-bottom: 8px;
    color: #0084FF;
    transition: all 0.3s ease;
}

.experiment-card:hover h3 {
    transform: translateX(5px);
}

.experiment-card p {
    color: #5f6368;
    font-size: 14px;
    margin-bottom: 16px;
    line-height: 1.5;
    position: relative;
    z-index: 2;
    transition: all 0.3s ease;
}

.experiment-card:hover p {
    color: #333;
}

.experiment-btn {
    background: transparent;
    color: #0084FF;
    border: none;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    position: relative;
    padding: 6px 0;
    transition: all 0.3s ease;
    display: inline-block;
}

.experiment-btn::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, #0084FF, #39A5FF);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s ease;
}

.experiment-btn:hover {
    color: #0073E6;
    transform: translateY(-2px);
}

.experiment-btn:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

.experiment-status {
    position: absolute;
    top: 12px;
    right: 12px;
    background: linear-gradient(45deg, #4ecdc4, #44a08d);
    color: white;
    padding: 4px 10px;
    border-radius: 10px;
    font-size: 10px;
    font-weight: 500;
    z-index: 3;
}

.experiment-tags {
    display: flex;
    gap: 6px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.exp-tag {
    background: rgba(0, 132, 255, 0.1);
    color: #0084FF;
    padding: 3px 8px;
    border-radius: 10px;
    font-size: 10px;
    font-weight: 500;
    border: 1px solid rgba(0, 132, 255, 0.2);
    transition: all 0.3s ease;
}

.exp-tag:hover {
    background: rgba(0, 132, 255, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 3px 8px rgba(0, 132, 255, 0.15);
}

/* Lab Sessions */
.lab-sessions {
    padding: 80px 0;
}

.lab-sessions h2 {
    font-size: 28px;
    font-weight: 400;
    margin-bottom: 48px;
    text-align: center;
}

.sessions-grid {
    display: grid;
    gap: 32px;
}

.session-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    align-items: center;
    padding: 32px;
    border-radius: 20px;
    background: #f8f9fa;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.05);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(0, 132, 255, 0.1);
}

.session-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 132, 255, 0.15);
    border-color: rgba(0, 132, 255, 0.3);
}

.session-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #0084FF, #39A5FF);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s ease;
}

.session-card:hover::before {
    transform: scaleX(1);
}

.session-card:nth-child(even) {
    grid-template-columns: 1fr 1fr;
}

.session-card:nth-child(even) .session-video {
    order: 2;
}

.session-card:nth-child(even) .session-content {
    order: 1;
}

.session-video {
    background: linear-gradient(135deg, #0084FF 0%, #0062C4 100%);
    border-radius: 16px;
    height: 220px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    position: relative;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 132, 255, 0.15);
    transition: all 0.4s ease;
}

.session-video::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><rect fill="rgba(255,255,255,0.05)" width="50" height="50" x="0" y="0" /><rect fill="rgba(255,255,255,0.05)" width="50" height="50" x="50" y="50" /></svg>');
    background-size: 20px 20px;
    opacity: 0.3;
}

.session-video:hover {
    transform: scale(1.03);
    box-shadow: 0 15px 40px rgba(0, 132, 255, 0.25);
}

.session-content h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 16px;
    color: #0084FF;
    position: relative;
    display: inline-block;
    transition: all 0.3s ease;
}

.session-content h3::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #0084FF, #39A5FF);
    transition: width 0.3s ease;
}

.session-card:hover .session-content h3::after {
    width: 100%;
}

.session-content p {
    color: #5f6368;
    margin-bottom: 20px;
    line-height: 1.5;
}

.session-btn {
    background: linear-gradient(45deg, #0084FF, #0073E6);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 132, 255, 0.2);
}

.session-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.session-btn:hover::before {
    left: 100%;
}

.session-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 132, 255, 0.3);
}

/* Footer */
.footer {
    background: #f8f9fa;
    border-top: 1px solid #e8eaed;
    padding: 32px 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    color: #5f6368;
    text-decoration: none;
    font-size: 14px;
}

.footer-links a:hover {
    color: #202124;
}

.footer-info p {
    color: #5f6368;
    font-size: 14px;
}

/* Notification Styles */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    padding: 16px 20px;
    z-index: 1000;
    transform: translateX(400px);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-left: 4px solid #1a73e8;
    max-width: 350px;
}

.notification.show {
    transform: translateX(0);
}

.notification-content {
    display: flex;
    align-items: center;
    gap: 12px;
}

.notification-icon {
    font-size: 18px;
}

.notification-message {
    font-size: 14px;
    font-weight: 500;
    color: #202124;
}

.notification-success {
    border-left-color: #0084FF;
}

.notification-info {
    border-left-color: #0084FF;
}

/* 页面加载动画 */
.page-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: white;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.page-loader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-logo {
    width: 80px;
    height: 80px;
    position: relative;
}

.loader-circle {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 4px solid transparent;
    border-top-color: #0084FF;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.loader-circle:nth-child(2) {
    border-top-color: transparent;
    border-right-color: #0084FF;
    animation-duration: 1.3s;
}

.loader-circle:nth-child(3) {
    width: 60%;
    height: 60%;
    top: 20%;
    left: 20%;
    border-top-color: transparent;
    border-left-color: #0084FF;
    animation-duration: 0.8s;
    animation-direction: reverse;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 滚动指示器 */
.scroll-indicator {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: white;
    border-radius: 50%;
    box-shadow: 0 5px 15px rgba(0, 132, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 100;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease;
}

.scroll-indicator.visible {
    opacity: 1;
    transform: translateY(0);
}

.scroll-indicator::before {
    content: '↑';
    color: #0084FF;
    font-size: 20px;
}

/* Ripple Effect */
.ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.6);
    transform: scale(0);
    animation: ripple-animation 0.6s linear;
    pointer-events: none;
}

@keyframes ripple-animation {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* Search Input Styles */
.search-input {
    padding: 8px 16px;
    border: 2px solid #e8eaed;
    border-radius: 20px;
    font-size: 14px;
    outline: none;
    transition: all 0.3s ease;
    margin-right: 16px;
    width: 200px;
}

.search-input:focus {
    border-color: #0084FF;
    box-shadow: 0 0 0 3px rgba(0, 132, 255, 0.1);
}

.search-input::placeholder {
    color: #5f6368;
}

/* Animation Classes */
.animate-in {
    animation: slideInUp 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.95);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Enhanced Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }

    .hero-btn {
        width: 200px;
        text-align: center;
    }

    .featured-item {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 32px;
    }

    .session-card {
        grid-template-columns: 1fr;
    }

    .session-card:nth-child(even) .session-video {
        order: 1;
    }

    .session-card:nth-child(even) .session-content {
        order: 2;
    }

    .footer-content {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }

    .search-input {
        width: 150px;
        margin-right: 8px;
    }

    .filter-tabs {
        gap: 4px;
    }

    .filter-tab {
        padding: 6px 12px;
        font-size: 12px;
    }

    .floating-elements {
        display: none;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .nav {
        padding: 12px 16px;
        flex-wrap: wrap;
        gap: 8px;
    }

    .nav-left {
        flex: 1;
    }

    .nav-right {
        display: flex;
        align-items: center;
        gap: 8px;
    }

    .hero {
        padding: 80px 0;
        min-height: 60vh;
    }

    .hero-title {
        font-size: 28px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    .tools-grid,
    .experiments-grid {
        grid-template-columns: 1fr;
    }

    .search-input {
        width: 120px;
        font-size: 12px;
        padding: 6px 12px;
    }

    .notification {
        right: 10px;
        left: 10px;
        max-width: none;
        transform: translateY(-100px);
    }

    .notification.show {
        transform: translateY(0);
    }

    .section-title-wrapper h2 {
        font-size: 28px;
    }

    .featured-content h3 {
        font-size: 28px;
    }

    .tool-card,
    .experiment-card {
        padding: 20px;
    }

    .filter-tabs {
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: 8px;
    }

    .filter-tab {
        white-space: nowrap;
        flex-shrink: 0;
    }
}/* AI
聚合工具样式 */
.ai-aggregator {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e8f0fe 100%);
}

.chat-container {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 24px;
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
    height: 600px;
    max-height: 80vh;
}

.chat-sidebar {
    background: #f8f9fa;
    border-right: 1px solid #e8eaed;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.model-selector {
    padding: 20px;
    border-bottom: 1px solid #e8eaed;
}

.model-selector h3 {
    font-size: 16px;
    font-weight: 500;
    color: #5f6368;
    margin-bottom: 16px;
}

.model-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.model-option {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.model-option:hover {
    background: rgba(0, 132, 255, 0.05);
}

.model-option.active {
    background: rgba(0, 132, 255, 0.1);
    border-color: rgba(0, 132, 255, 0.3);
}

.model-icon {
    font-size: 24px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    border-radius: 50%;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.model-info h4 {
    font-size: 16px;
    font-weight: 500;
    margin: 0 0 4px 0;
    color: #202124;
}

.model-info p {
    font-size: 12px;
    color: #5f6368;
    margin: 0;
}

.chat-history {
    padding: 20px;
    flex-grow: 1;
    overflow-y: auto;
}

.chat-history h3 {
    font-size: 16px;
    font-weight: 500;
    color: #5f6368;
    margin-bottom: 16px;
}

.history-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.history-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 12px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 14px;
}

.history-item:hover {
    background: rgba(0, 0, 0, 0.05);
}

.history-time {
    font-size: 12px;
    color: #5f6368;
}

.chat-main {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.chat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    border-bottom: 1px solid #e8eaed;
}

.current-model {
    display: flex;
    align-items: center;
    gap: 8px;
}

.model-name {
    font-size: 18px;
    font-weight: 500;
    color: #202124;
}

.model-status {
    font-size: 12px;
    padding: 2px 8px;
    border-radius: 10px;
    background: #e8f0fe;
    color: #1a73e8;
}

.model-status.online {
    background: #e6f4ea;
    color: #137333;
}

.chat-actions {
    display: flex;
    gap: 8px;
}

.action-btn {
    background: transparent;
    border: none;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 18px;
}

.action-btn:hover {
    background: rgba(0, 0, 0, 0.05);
}

.chat-messages {
    flex-grow: 1;
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
    background: #f8f9fa;
}

.message {
    display: flex;
    gap: 12px;
    max-width: 90%;
}

.message.ai {
    align-self: flex-start;
}

.message.user {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.message.system {
    align-self: center;
    background: rgba(0, 0, 0, 0.05);
    padding: 8px 16px;
    border-radius: 8px;
    max-width: 80%;
}

.message-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    flex-shrink: 0;
}

.message-content {
    background: white;
    padding: 12px 16px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.message.user .message-content {
    background: #e8f0fe;
}

.message-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 4px;
}

.message-name {
    font-size: 14px;
    font-weight: 500;
    color: #202124;
}

.message-time {
    font-size: 12px;
    color: #5f6368;
}

.message-content p {
    margin: 0;
    line-height: 1.5;
    color: #202124;
}

.chat-input {
    padding: 16px 24px;
    border-top: 1px solid #e8eaed;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.chat-input textarea {
    width: 100%;
    border: 1px solid #e8eaed;
    border-radius: 12px;
    padding: 12px 16px;
    font-family: inherit;
    font-size: 14px;
    resize: none;
    outline: none;
    transition: all 0.2s ease;
}

.chat-input textarea:focus {
    border-color: #1a73e8;
    box-shadow: 0 0 0 2px rgba(26, 115, 232, 0.2);
}

.input-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.send-btn {
    background: linear-gradient(45deg, #0084FF, #0073E6);
    color: white;
    border: none;
    padding: 8px 24px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 132, 255, 0.2);
}

.send-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 132, 255, 0.3);
}

/* 响应式设计 */
@media (max-width: 992px) {
    .chat-container {
        grid-template-columns: 1fr;
        height: auto;
    }
    
    .chat-sidebar {
        display: none;
    }
    
    .chat-main {
        height: 500px;
    }
}

@media (max-width: 768px) {
    .ai-aggregator {
        padding: 60px 0;
    }
}/* GenSpar
k风格的工具展示样式 */
.tools-filter {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 24px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.filter-btn {
    background: transparent;
    border: 1px solid #e8eaed;
    color: #5f6368;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn:hover {
    background: rgba(0, 132, 255, 0.05);
    border-color: rgba(0, 132, 255, 0.3);
    color: #0084FF;
    transform: translateY(-2px);
}

.filter-btn.active {
    background: linear-gradient(45deg, #0084FF, #39A5FF);
    border-color: transparent;
    color: white;
    box-shadow: 0 4px 12px rgba(0, 132, 255, 0.2);
}

.tools-showcase {
    position: relative;
    min-height: 400px;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
    margin-bottom: 40px;
}

.tool-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    position: relative;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.tool-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 32px rgba(0, 132, 255, 0.15);
    border-color: rgba(0, 132, 255, 0.2);
}

.tool-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.tool-icon {
    font-size: 28px;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 132, 255, 0.1);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.tool-card:hover .tool-icon {
    transform: scale(1.1);
    background: rgba(0, 132, 255, 0.15);
}

.tool-status {
    font-size: 12px;
    font-weight: 500;
    padding: 4px 12px;
    border-radius: 12px;
    background: linear-gradient(45deg, #ff6b6b, #ff8e8e);
    color: white;
}

.tool-content {
    padding: 20px;
    flex-grow: 1;
}

.tool-content h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    color: #202124;
}

.tool-content p {
    color: #5f6368;
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 16px;
}

.tool-features {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.feature {
    background: rgba(0, 132, 255, 0.1);
    color: #0084FF;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.tool-footer {
    padding: 20px;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.tool-btn {
    background: linear-gradient(45deg, #0084FF, #0073E6);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 132, 255, 0.2);
}

.tool-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 132, 255, 0.3);
}

.tool-preview {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    padding: 6px 12px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.tool-preview:hover {
    background: rgba(0, 0, 0, 0.05);
}

.preview-text {
    font-size: 14px;
    color: #5f6368;
}

.preview-icon {
    font-size: 16px;
    color: #5f6368;
}

.tools-pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 40px;
}

.pagination-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid #e8eaed;
    color: #5f6368;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.pagination-btn.next {
    width: auto;
    padding: 0 16px;
    border-radius: 18px;
}

.pagination-btn:hover {
    background: rgba(0, 132, 255, 0.05);
    border-color: rgba(0, 132, 255, 0.3);
    color: #0084FF;
}

.pagination-btn.active {
    background: #0084FF;
    border-color: #0084FF;
    color: white;
}

/* 预览模态框样式 */
.tool-preview-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.tool-preview-modal.active {
    opacity: 1;
    visibility: visible;
}

.preview-content {
    background: white;
    border-radius: 16px;
    width: 90%;
    max-width: 800px;
    max-height: 90vh;
    overflow: auto;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    animation: modalFadeIn 0.3s ease forwards;
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.preview-header {
    padding: 20px;
    border-bottom: 1px solid #e8eaed;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.preview-header h4 {
    font-size: 20px;
    font-weight: 600;
    color: #202124;
    margin: 0;
}

.close-preview {
    background: transparent;
    border: none;
    font-size: 24px;
    color: #5f6368;
    cursor: pointer;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.close-preview:hover {
    background: rgba(0, 0, 0, 0.05);
    color: #202124;
}

.preview-body {
    padding: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.preview-image {
    padding: 20px;
    background: #f8f9fa;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 300px;
}

.preview-placeholder {
    text-align: center;
    padding: 40px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.preview-icon-large {
    font-size: 64px;
    margin-bottom: 16px;
}

.preview-description {
    padding: 30px;
}

.preview-description h5 {
    font-size: 18px;
    font-weight: 600;
    color: #202124;
    margin-top: 0;
    margin-bottom: 16px;
}

.preview-description ul {
    padding-left: 20px;
    margin-bottom: 24px;
}

.preview-description li {
    margin-bottom: 8px;
    color: #5f6368;
}

.preview-btn {
    width: 100%;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .preview-body {
        grid-template-columns: 1fr;
    }
    
    .tools-filter {
        overflow-x: auto;
        padding-bottom: 8px;
        justify-content: flex-start;
    }
    
    .filter-btn {
        flex-shrink: 0;
    }
}/* 卡片分散
展示动画效果 */
.tools-grid {
    position: relative;
}

.tool-card {
    opacity: 0;
    transform: scale(0.8);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), 
                transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.tool-card.animate-in {
    opacity: 1;
    transform: scale(1);
}

.tool-card:nth-child(1) {
    transform: translateX(-100px) translateY(50px) scale(0.8);
}

.tool-card:nth-child(2) {
    transform: translateY(-80px) scale(0.8);
}

.tool-card:nth-child(3) {
    transform: translateX(100px) translateY(50px) scale(0.8);
}

.tool-card:nth-child(4) {
    transform: translateY(80px) scale(0.8);
}

.tool-card.animate-in:nth-child(1),
.tool-card.animate-in:nth-child(2),
.tool-card.animate-in:nth-child(3),
.tool-card.animate-in:nth-child(4) {
    transform: translateX(0) translateY(0) scale(1);
}

/* 通知样式 */
.notification {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: white;
    border-radius: 8px;
    padding: 16px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    max-width: 300px;
}

.notification.show {
    transform: translateX(0);
}

.notification-content {
    display: flex;
    align-items: center;
    gap: 12px;
}

.notification-icon {
    font-size: 20px;
}

.notification-message {
    font-size: 14px;
    color: #202124;
}

.notification-success {
    border-left: 4px solid #34A853;
}

.notification-info {
    border-left: 4px solid #4285F4;
}

/* 移除旧的价值观样式 */
.culture-values,
.culture-values-orbital,
.values-grid {
    display: none;
}

/* 环绕式CSS样式 */
.hero-content{position:relative;text-align:center;padding:40px 20px;height:500px;display:flex;align-items:center;justify-content:center}
.center-text{z-index:2;position:relative}
.hero-title-orbital{font-size:52px;font-weight:700;margin-bottom:12px;color:#fff;text-shadow:0 0 20px rgba(255,255,255,0.5)}
.hero-subtitle-orbital{font-size:28px;margin-bottom:8px;color:#e8f4ff;font-weight:300}
.hero-description-orbital{font-size:20px;color:#cce7ff;font-weight:200;max-width:600px;margin:0 auto}

.values-orbit{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:500px;height:500px;z-index:1}
.value-satellite{font-family:"楷体","KaiTi",serif;position:absolute;font-size:18px;color:#fff;font-weight:500;padding:8px 16px;background:rgba(255,255,255,0.2);border-radius:20px;backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,0.3);white-space:nowrap;animation:orbit 35s linear infinite;display:block;opacity:1}

.value-satellite:nth-child(1){top:0;left:50%;transform:translateX(-50%);animation-delay:0s}
.value-satellite:nth-child(2){top:15%;right:5%;animation-delay:-2s}
.value-satellite:nth-child(3){top:50%;right:0;transform:translateY(-50%);animation-delay:-4s}
.value-satellite:nth-child(4){bottom:15%;right:5%;animation-delay:-6s}
.value-satellite:nth-child(5){bottom:0;left:50%;transform:translateX(-50%);animation-delay:-8s}
.value-satellite:nth-child(6){bottom:15%;left:5%;animation-delay:-10s}
.value-satellite:nth-child(7){top:50%;left:0;transform:translateY(-50%);animation-delay:-12s}
.value-satellite:nth-child(8){top:15%;left:5%;animation-delay:-14s}
.value-satellite:nth-child(9){top:25%;right:20%;animation-delay:-16s}
.value-satellite:nth-child(10){bottom:25%;right:20%;animation-delay:-18s}
.value-satellite:nth-child(11){bottom:25%;left:20%;animation-delay:-20s}
.value-satellite:nth-child(12){top:25%;left:20%;animation-delay:-22s}
.value-satellite:nth-child(13){top:40%;left:50%;transform:translateX(-50%);animation-delay:-24s}

@keyframes orbit{
    0%{transform:rotate(0deg) translateX(250px) rotate(0deg);opacity:0.6}
    50%{opacity:1}
    100%{transform:rotate(360deg) translateX(250px) rotate(-360deg);opacity:0.6}
}

@media(max-width:768px){
.hero-content{height:400px}
.hero-title-orbital{font-size:42px}
.hero-subtitle-orbital{font-size:24px}
.hero-description-orbital{font-size:18px}
.values-orbit{width:400px;height:400px}
.value-satellite{font-size:16px;padding:6px 12px}
@keyframes orbit{
    0%{transform:rotate(0deg) translateX(200px) rotate(0deg)}
    100%{transform:rotate(360deg) translateX(200px) rotate(-360deg)}
}
}

/* 超紧凑CSS样式 */
.hero{
    position:relative;
    background:linear-gradient(135deg, #0084FF 0%, #0073E6 25%, #39A5FF 50%, #0084FF 75%, #0062C4 100%);
    background-size:400% 400%;
    animation:gradientShift 15s ease infinite;
    color:white;
    padding:30px 0;
    text-align:center;
    overflow:hidden;
    min-height:25vh;
    display:flex;
    align-items:center;
    justify-content:center
}

.hero-content{
    position:relative;
    z-index:2;
    max-width:800px;
    margin:0 auto;
    padding:0 20px
}

.hero-title-orbital{
    font-family: "楷体", "KaiTi", serif;
    font-size:52px;
    font-weight:700;
    margin-bottom:8px;
    color:#fff;
    text-shadow:0 0 20px rgba(255,255,255,0.5)
}

.hero-subtitle-orbital{
    font-family: "楷体", "KaiTi", serif;
    font-size:28px;
    margin-bottom:6px;
    color:#e8f4ff;
    font-weight:300
}

.hero-description-orbital{
    font-family: "楷体", "KaiTi", serif;
    font-size:20px;
    color:#cce7ff;
    font-weight:200;
    max-width:500px;
    margin:0 auto
}

.values-orbit {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 700px;
    height: 700px;
    pointer-events: none;
}
.value-satellite {
    font-family: "楷体", "KaiTi", serif;
    position: absolute;
    font-size: 16px;
    color: #fff;
    font-weight: 500;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.25);
    border-radius: 25px;
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    white-space: nowrap;
    animation: orbit 35s linear infinite;
    display: block;
    opacity: 0.8;
    max-width: none;
    line-height: 1.4;
    text-align: center;
}

/* 调整环绕轨道大小以适应长文本 */
.values-orbit {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 700px;
    height: 700px;
    pointer-events: none;
}

@keyframes orbit{
    0%{transform:rotate(0deg) translateX(350px) rotate(0deg);opacity:0.6}
    50%{opacity:1}
    100%{transform:rotate(360deg) translateX(350px) rotate(-360deg);opacity:0.6}
}

@media(max-width:768px){
    .hero{padding:25px 0;min-height:30vh}
    .hero-title-orbital{
        font-family: "楷体", "KaiTi", serif;
        font-size:42px
    }
    .hero-subtitle-orbital{
        font-family: "楷体", "KaiTi", serif;
        font-size:24px
    }
    .hero-description-orbital{
        font-family: "楷体", "KaiTi", serif;
        font-size:18px
    }
    .values-orbit{width:520px;height:520px}
    .value-satellite{
        font-family: "楷体", "KaiTi", serif;
        font-size:16px;
        padding:6px 12px
    }
    @keyframes orbit{
        0%{transform:rotate(0deg) translateX(260px) rotate(0deg)}
        100%{transform:rotate(360deg) translateX(260px) rotate(-360deg)}
    }
}

@media(max-width:480px){
    .hero{padding:20px 0;min-height:28vh}
    .hero-title-orbital{
        font-family: "楷体", "KaiTi", serif;
        font-size:36px
    }
    .hero-subtitle-orbital{
        font-family: "楷体", "KaiTi", serif;
        font-size:22px
    }
    .values-orbit{width:460px;height:460px}
    @keyframes orbit{
        0%{transform:rotate(0deg) translateX(230px) rotate(0deg)}
        100%{transform:rotate(360deg) translateX(230px) rotate(-360deg)}
    }
}

/* 工具卡片滚动进入视图时的交错动画 */
@keyframes cardAppear1 {
    0% { opacity: 0; transform: translateX(-100px) translateY(50px) scale(0.8); }
    100% { opacity: 1; transform: translateX(0) translateY(0) scale(1); }
}

@keyframes cardAppear2 {
    0% { opacity: 0; transform: translateY(-80px) scale(0.8); }
    100% { opacity: 1; transform: translateX(0) translateY(0) scale(1); }
}

@keyframes cardAppear3 {
    0% { opacity: 0; transform: translateX(100px) translateY(50px) scale(0.8); }
    100% { opacity: 1; transform: translateX(0) translateY(0) scale(1); }
}

@keyframes cardAppear4 {
    0% { opacity: 0; transform: translateY(80px) scale(0.8); }
    100% { opacity: 1; transform: translateX(0) translateY(0) scale(1); }
}

.tool-card:nth-child(1).animate-in {
    animation: cardAppear1 1s forwards;
}

.tool-card:nth-child(2).animate-in {
    animation: cardAppear2 1s forwards 0.2s;
}

.tool-card:nth-child(3).animate-in {
    animation: cardAppear3 1s forwards 0.4s;
}

.tool-card:nth-child(4).animate-in {
    animation: cardAppear4 1s forwards 0.6s;
}